Rule 34 Dev - animal_genitalia animal_penis annairu anthro balls canid canine canine_genitalia canine_penis canis digital_media_(artwork) erection fingers fur fury_(furythewolf) furythewolf genitals grey_body grey_fur hair hi_res looking_at_viewer male male_only mammal nude penis red_body red_fur simple_background smile solo tail wolf|9821937936